| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onlab.junit; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * A scheduled executor service that does not do any of the work scheduled to it. |
| * <p> |
| * This is useful for testing when you want to disable a background scheduled |
| * task. |
| * </p> |
| */ |
| public class NullScheduledExecutor implements ScheduledExecutorService { |
| @Override |
| public ScheduledFuture<?> schedule(Runnable command, long delay, |
| TimeUnit unit) { |
| return null; |
| } |
| |
| @Override |
| public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, |
| TimeUnit unit) { |
| return null; |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, |
| long initialDelay, |
| long period, TimeUnit unit) { |
| return null; |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, |
| long initialDelay, |
| long delay, |
| TimeUnit unit) { |
| return null; |
| } |
| |
| @Override |
| public void shutdown() { |
| |
| } |
| |
| @Override |
| public List<Runnable> shutdownNow() { |
| return null; |
| } |
| |
| @Override |
| public boolean isShutdown() { |
| return false; |
| } |
| |
| @Override |
| public boolean isTerminated() { |
| return false; |
| } |
| |
| @Override |
| public boolean awaitTermination(long timeout, TimeUnit unit) |
| throws InterruptedException { |
| return false; |
| } |
| |
| @Override |
| public <T> Future<T> submit(Callable<T> task) { |
| return null; |
| } |
| |
| @Override |
| public <T> Future<T> submit(Runnable task, T result) { |
| return null; |
| } |
| |
| @Override |
| public Future<?> submit(Runnable task) { |
| return null; |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll( |
| Collection<? extends Callable<T>> tasks) |
| throws InterruptedException { |
| return null; |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll( |
| Collection<? extends Callable<T>> tasks, long timeout, |
| TimeUnit unit) throws InterruptedException { |
| return null; |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks) |
| throws InterruptedException, ExecutionException { |
| return null; |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks, |
| long timeout, TimeUnit unit) |
| throws InterruptedException, ExecutionException, TimeoutException { |
| return null; |
| } |
| |
| @Override |
| public void execute(Runnable command) { |
| |
| } |
| } |